Oslo Stock Exchange All Share Index GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, October 22nd, 2026
1 Day
12.82%
increased by 0.24%
1 Week
13.40%
increased by 0.82%
1 Month
15.07%
increased by 2.49%
Analysis last updated: Thursday, October 22, 2026 at 05:41 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 1, 1990 to Oct 16, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 249% more than equivalent positive returns.
σ
GJR-GARCH Model
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Leverage: Negative returns increase volatility 249% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0566 | 4.81*** |
| αARCH | 0.0506 | 4.63*** |
| βGARCH | 0.8478 | 60.25*** |
| γleverage | 0.1261 | 4.47*** |
0.961
Persistence18d
Half-lifeσ
GJR-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0566 | 4.81*** |
α ARCH Response to squared shocks | 0.0506 | 4.63*** |
β GARCH Volatility persistence | 0.8478 | 60.25*** |
γ leverage Additional response to negative shocks | 0.1261 | 4.47*** |
Persistence:
0.961
Half-life:
18 days
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